Pattern: Divide by 4 (960÷4=240), then multiply by 0.75 (240×0.75=180), then multiply by 1.25 (180×1.25=225), then multiply by 1.75 (225×1.75=393.75). Operations alternate between ÷4 and ×(0.75, 1.25, 1.75) with the multiplier increasing by 0.5 each time. The missing term is 180.